Various examples of "קשר של קימא" (knots tied with a permanence).
pulling out a plug from the wall; removing ice attached to the window, door; removing paint cement from door or window;
(Temporary Ohel) Removing a blanket from two chairs the opposite way. How to work with foldable partitions on Shabbos;
measuring and weighing in cases of illness; measuring and weighing for a infant; using a thermometer;